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What is an idiomatic way of representing enums in Go?
...fully-featured enum similar to the type you'd see in another language like Java or Python?
A very simple way to create an object that starts to look and feel like a string enum in Python would be:
package main
import (
"fmt"
)
var Colors = newColorRegistry()
func newColorRegistry() *colorRe...
Android - Set fragment id
...nt before it has been tagged?
My solutions so far all rely on the oldest (Java) trick in the world: create a minimalistic template fragment which takes an id in one of it's constructors and provides a getFragmentId() method which returns that id. I then let those fragments that need early identific...
Android 4.3 Bluetooth Low Energy unstable
... log: 11-01 18:37:32.131: WARN/BluetoothGatt(20119): Unhandled exception: java.lang.NullPointerException)
– Lo-Tan
Nov 1 '13 at 22:52
2
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HTTP GET with request body
...
The rest-assured Java library for testing REST APIs does not support GET request with a body. Apache HttpClient doesn't support it either.
– Paulo Merson
Sep 5 '16 at 18:33
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What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
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Singletons vs. Application Context in Android?
...read without the code 'Looper.prepare()',the system will report the error "java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()".
– sunhang
Jun 24 '14 at 5:48
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What is the difference between a framework and a library?
...he UI treats it like a single file, pretty much like you have JAR files in Java and when you click it, you usually don't see what's inside, unless you explicitly select to show the content).
Wikipedia calls framework a "buzzword". It defines a software framework as
A software framework is a re-...
Algorithm to generate all possible permutations of a list?
...ury origin for the algorithm!
I've just written a quick implementation in Java of Wikipedia's algorithm as a check and it was no trouble. But what you have in your Q as an example is NOT "list all permutations", but "a LIST of all permutations", so wikipedia won't be a lot of help to you. You need ...
Is it possible to use getters/setters in interface definition?
...mentation details. In my example, I have chosen the interface to require a java-style getter method. However, you can also a property and then let the class decide how to implement the interface.
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What happens to a detached thread when main() exits?
...fine the exact behaviour of the underlying OS, whereas the developers of a Java VM can surely abstract such differences to some extent. AFAIK, exotic process and threading models are usually found on ancient platforms (to which C++11 probably won't be ported) and various embedded systems, which coul...